London, July 20 -- Former England captain and manager Kevin Keegan has died at the age of 75, his former club Newcastle United announced on Monday.

Keegan had been undergoing cancer treatment after his family and Newcastle revealed his diagnosis in January, though details were not disclosed at the time. In June, the two-time European Footballer of the Year confirmed he had been diagnosed with stage four cancer.

"We are devastated to learn of the passing of Kevin Keegan, one of the most iconic, influential and deeply loved figures in our club's history," the Premier League club said in a statement as per Reuters.

"As a player, he brought world-class talent, ambition and belief to St. James' Park, helping to transform perceptions of what...